Migrate more tests from blink repository.

test/webkit/fast/js/regexp-ranges-and-escaped-hyphens.js

+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1.  Redistributions of source code must retain the above copyright
+//     notice, this list of conditions and the following disclaimer.
+// 2.  Redistributions in binary form must reproduce the above copyright
+//     notice, this list of conditions and the following disclaimer in the
+//     documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+description(
+'Tests for bug <a href="https://bugs.webkit.org/show_bug.cgi?id=21232">#21232</a>, and related range issues described in bug.'
+);
+
+// Basic test for ranges - one to three and five are in regexp, four is not, and '-' should not match
+var regexp01 = /[1-35]+/.exec("-12354");
+shouldBe('regexp01.toString()', '"1235"');
+// Tests inserting an escape character class into the above pattern - where the spaces fall within the
+// range it is no longer a range - hyphens should now match, two should not.
+var regexp01a = /[\s1-35]+/.exec("-123 54");
+shouldBe('regexp01a.toString()', '"123 5"');
+
+// These are invalid ranges, according to ECMA-262, but we allow them.
+var regexp01b = /[1\s-35]+/.exec("21-3 54");
+shouldBe('regexp01b.toString()', '"1-3 5"');
+var regexp01c = /[1-\s35]+/.exec("21-3 54");
+shouldBe('regexp01c.toString()', '"1-3 5"');
+
+var regexp01d = /[1-3\s5]+/.exec("-123 54");
+shouldBe('regexp01d.toString()', '"123 5"');
+var regexp01e = /[1-35\s5]+/.exec("-123 54");
+shouldBe('regexp01e.toString()', '"123 5"');
+// hyphens are normal charaters if a range is not fully specified.
+var regexp01f = /[-3]+/.exec("2-34");
+shouldBe('regexp01f.toString()', '"-3"');
+var regexp01g = /[2-]+/.exec("12-3");
+shouldBe('regexp01g.toString()', '"2-"');
+
+// Similar to the above tests, but where the hyphen is escaped this is never a range.
+var regexp02 = /[1\-35]+/.exec("21-354");
+shouldBe('regexp02.toString()', '"1-35"');
+// As above.
+var regexp02a = /[\s1\-35]+/.exec("21-3 54");
+shouldBe('regexp02a.toString()', '"1-3 5"');
+var regexp02b = /[1\s\-35]+/.exec("21-3 54");
+shouldBe('regexp02b.toString()', '"1-3 5"');
+var regexp02c = /[1\-\s35]+/.exec("21-3 54");
+shouldBe('regexp02c.toString()', '"1-3 5"');
+var regexp02d = /[1\-3\s5]+/.exec("21-3 54");
+shouldBe('regexp02d.toString()', '"1-3 5"');
+var regexp02e = /[1\-35\s5]+/.exec("21-3 54");
+shouldBe('regexp02e.toString()', '"1-3 5"');
+
+// Test that an escaped hyphen can be used as a bound on a range.
+var regexp03a = /[\--0]+/.exec(",-.01");
+shouldBe('regexp03a.toString()', '"-.0"');
+var regexp03b = /[+-\-]+/.exec("*+,-.");
+shouldBe('regexp03b.toString()', '"+,-"');
+
+// The actual bug reported.
+var bug21232 = (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test('@');
+shouldBe('bug21232', 'false');